Victor Meldrew. I’ve provided the Wikipedia entry for the convenience of those who have not been exposed to One Foot In The Grave on UK television. His catchphrase was “I don’t believe it”.
That was my reaction to listening to this mp3 of a recent speech that has been quoted more often than Shakespeare. If you don’t believe the transcripts, then just listen.
http://media.publicknowledge.org/stevens-on-nn.mp3
I am gobsmacked. No further comments.